package com.zq.it.dao.impl.exam;

import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.zq.it.dao.exam.TExamResultDAO;
import com.zq.it.dao.impl.BaseDao;
import com.zq.it.pojo.exam.TExamResult;

/**
 * TExamResultDAO的实现类
 *
 * @author 王凡
 *
 * @version $ID: TExamResultDAOImpl.java 2013-3-21 王凡@$
 */

public class TExamResultDAOImpl extends BaseDao<TExamResult> implements TExamResultDAO {
	private static final Logger log = LoggerFactory
			.getLogger(TExamResultDAOImpl.class);
	// property constants
	public static final String _PID = "PId";
	public static final String SCORE = "score";
	public static final String STATUS = "status";
	public static final String EXTEND_FIELD = "extendField";

	@Override
	public void save(TExamResult transientInstance) {
		log.debug("saving TExamResult instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	@Override
	public void delete(TExamResult persistentInstance) {
		log.debug("deleting TExamResult instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	@Override
	public TExamResult findById(Long id) {
		log.debug("getting TExamResult instance with id: " + id);
		try {
			TExamResult instance = (TExamResult) getHibernateTemplate()
					.get("com.zq.it.pojo.exam.TExamResult", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	@Override
	public List findByExample(TExamResult instance) {
		log.debug("finding TExamResult instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	@Override
	public List findByProperty(String propertyName, Object value) {
		log.debug("finding TExamResult instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from TExamResult as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	@Override
	public List findByPId(Object PId) {
		return findByProperty(_PID, PId);
	}

	@Override
	public List findByScore(Object score) {
		return findByProperty(SCORE, score);
	}

	@Override
	public List findByStatus(Object status) {
		return findByProperty(STATUS, status);
	}

	@Override
	public List findByExtendField(Object extendField) {
		return findByProperty(EXTEND_FIELD, extendField);
	}

	@Override
	public List findAll() {
		log.debug("finding all TExamResult instances");
		try {
			String queryString = "from TExamResult";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	@Override
	public void update(TExamResult instance) {
		log.debug("attaching dirty TExamResult instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	@Override
	public void deleteByHql(String hql) {
		super.deleteEntity(hql);
	}
}